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b) dwie-trzecie(1,5 + 3x)=1+2x
c) k(3l + 2m)=3kl+2km
d) -p(r - 5s)=-pr+5ps
b) ⅔(1,5 + 3x) = 1+2x
c) k(3l + 2m) = 3lk+2mk
d) -p(r - 5s) = -pr+5ps
=1,5a-1=
=1,5a+(-1)
b) ⅔(1,5+3x)=
=1+2x
c) k(3l+2m)=
=3kl+2km
d) -p(r-5s)=
=-pr+5ps